1: # The LearningOnline Network
2: # Allow visitors to create a user account with the username being either an
3: # institutional log-in ID (institutional authentication required - localauth,
4: # kerberos, or SSO) or an e-mail address. Requests to use an e-mail address as
5: # username may be processed automatically, or may be queued for approval.
6: #
7: # $Id: createaccount.pm,v 1.71 2016/02/17 19:15:48 raeburn Exp $
8: #
9: # Copyright Michigan State University Board of Trustees
10: #
11: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
12: #
13: # LON-CAPA is free software; you can redistribute it and/or modify
14: # it under the terms of the GNU General Public License as published by
15: # the Free Software Foundation; either version 2 of the License, or
16: # (at your option) any later version.
17: #
18: # LON-CAPA is distributed in the hope that it will be useful,
19: # but WITHOUT ANY WARRANTY; without even the implied warranty of
20: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21: # GNU General Public License for more details.
22: #
23: # You should have received a copy of the GNU General Public License
24: # along with LON-CAPA; if not, write to the Free Software
25: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
26: #
27: # /home/httpd/html/adm/gpl.txt
28: #
29: # http://www.lon-capa.org/
30: #
31: #
32: package Apache::createaccount;
33:
34: use strict;
35: use Apache::Constants qw(:common);
36: use Apache::lonacc;
37: use Apache::lonnet;
38: use Apache::loncommon;
39: use Apache::lonhtmlcommon;
40: use Apache::lonlocal;
41: use Apache::lonauth;
42: use Apache::resetpw;
43: use DynaLoader; # for Crypt::DES version
44: use Crypt::DES;
45: use LONCAPA qw(:DEFAULT :match);
46: use HTML::Entities;
47:
48: sub handler {
49: my $r = shift;
50: &Apache::loncommon::content_type($r,'text/html');
51: $r->send_http_header;
52: if ($r->header_only) {
53: return OK;
54: }
55:
56: my $domain;
57:
58: my $sso_username = $r->subprocess_env->get('SSOUserUnknown');
59: my $sso_domain = $r->subprocess_env->get('SSOUserDomain');
60:
61: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
62: ['token','courseid','domain','type']);
63: &Apache::lonacc::get_posted_cgi($r);
64: &Apache::lonlocal::get_language_handle($r);
65:
66: if ($sso_username ne '' && $sso_domain ne '') {
67: $domain = $sso_domain;
68: } else {
69: ($domain, undef) = Apache::lonnet::is_course($env{'form.courseid'});
70: unless ($domain) {
71: if ($env{'form.phase'} =~ /^username_(activation|validation)$/) {
72: if (($env{'form.udom'} =~ /^$match_domain$/) &&
73: (&Apache::lonnet::domain($env{'form.udom'}) ne '')) {
74: $domain = $env{'form.udom'};
75: } else {
76: $domain = &Apache::lonnet::default_login_domain();
77: }
78: } elsif (($env{'form.phase'} eq '') &&
79: ($env{'form.domain'} =~ /^$match_domain$/) &&
80: (&Apache::lonnet::domain($env{'form.domain'}) ne '')) {
81: $domain = $env{'form.domain'};
82: } else {
83: $domain = &Apache::lonnet::default_login_domain();
84: }
85: }
86: }
87: my $domdesc = &Apache::lonnet::domain($domain,'description');
88: my $contact_name = &mt('LON-CAPA helpdesk');
89: my $origmail = $Apache::lonnet::perlvar{'lonSupportEMail'};
90: my $contacts =
91: &Apache::loncommon::build_recipient_list(undef,'helpdeskmail',
92: $domain,$origmail);
93: my ($contact_email) = split(',',$contacts);
94: my $lonhost = $r->dir_config('lonHostID');
95: my $include = $r->dir_config('lonIncludes');
96: my $start_page;
97:
98: my $handle = &Apache::lonnet::check_for_valid_session($r);
99: if (($handle ne '') && ($handle !~ /^publicuser_\d+$/)) {
100: $start_page =
101: &Apache::loncommon::start_page('Already logged in');
102: my $end_page =
103: &Apache::loncommon::end_page();
104: $r->print($start_page."\n".'<h2>'.&mt('You are already logged in').'</h2>'.
105: '<p>'.&mt('Please either [_1]continue the current session[_2] or [_3]log out[_4].',
106: '<a href="/adm/roles">','</a>','<a href="/adm/logout">','</a>').
107: '</p><p><a href="/adm/loginproblems.html">'.&mt('Login problems?').'</a></p>'.$end_page);
108: return OK;
109: }
110:
111: my ($js,$courseid,$title);
112: $courseid = Apache::lonnet::is_course($env{'form.courseid'});
113: if ($courseid ne '') {
114: $js = &catreturn_js();
115: $title = 'Self-enroll in a LON-CAPA course';
116: } else {
117: $title = 'Create a user account in LON-CAPA';
118: }
119: if ($env{'form.phase'} eq 'selfenroll_login') {
120: $title = 'Self-enroll in a LON-CAPA course';
121: if ($env{'form.udom'} ne '') {
122: $domain = $env{'form.udom'};
123: }
124:
125: my %domconfig =
126: &Apache::lonnet::get_dom('configuration',['usercreation'],$domain);
127: my ($cancreate,$statustocreate,$emailusername) =
128: &get_creation_controls($domain,$domconfig{'usercreation'});
129:
130: my ($result,$output) =
131: &username_validation($r,$env{'form.uname'},$domain,$domdesc,
132: $contact_name,$contact_email,$courseid,
133: $lonhost,$statustocreate);
134: if ($result eq 'redirect') {
135: $r->internal_redirect('/adm/switchserver');
136: return OK;
137: } elsif ($result eq 'existingaccount') {
138: $r->print($output);
139: &print_footer($r);
140: return OK;
141: } else {
142: $start_page = &Apache::loncommon::start_page($title,$js);
143: &print_header($r,$start_page,$courseid);
144: $r->print($output);
145: &print_footer($r);
146: return OK;
147: }
148: }
149: $start_page = &Apache::loncommon::start_page($title,$js);
150:
151: my %domconfig =
152: &Apache::lonnet::get_dom('configuration',['usercreation'],$domain);
153: my ($cancreate,$statustocreate,$emailusername) =
154: &get_creation_controls($domain,$domconfig{'usercreation'});
155: if (@{$cancreate} == 0) {
156: &print_header($r,$start_page,$courseid);
157: my $output = '<h3>'.&mt('Account creation unavailable').'</h3>'.
158: '<span class="LC_warning">'.
159: &mt('Creation of a new user account using an e-mail address or an institutional log-in ID as username is not permitted at this institution ([_1]).',$domdesc).
160: '</span><br /><br />';
161: $r->print($output);
162: &print_footer($r);
163: return OK;
164: }
165:
166: if ($sso_username ne '') {
167: &print_header($r,$start_page,$courseid);
168: my ($msg,$sso_logout);
169: $sso_logout = &sso_logout_frag($r,$domain);
170: if (grep(/^sso$/,@{$cancreate})) {
171: $msg = '<h3>'.&mt('Account creation').'</h3>'.
172: &mt("Although your username and password were authenticated by your institution's Single Sign On system, you do not currently have a LON-CAPA account at this institution.").'<br />';
173: my $shibenv;
174: if (($r->dir_config('lonOtherAuthen') eq 'yes') &&
175: ($r->dir_config('lonOtherAuthenType') eq 'Shibboleth')) {
176: if (ref($domconfig{'usercreation'}) eq 'HASH') {
177: if (ref($domconfig{'usercreation'}{'cancreate'}) eq 'HASH') {
178: if (ref($domconfig{'usercreation'}{'cancreate'}{'shibenv'}) eq 'HASH') {
179: my @possfields = ('firstname','middlename','lastname','generation',
180: 'permanentemail','id');
181: my ($othertitle,$usertypes,$types) = &Apache::loncommon::sorted_inst_types($domain);
182: $shibenv= {};
183: foreach my $key (keys(%{$domconfig{'usercreation'}{'cancreate'}{'shibenv'}})) {
184: if ($key eq 'inststatus') {
185: if (ref($usertypes) eq 'HASH') {
186: if ($domconfig{'usercreation'}{'cancreate'}{'shibenv'}{$key} ne '') {
187: if (exists($usertypes->{$domconfig{'usercreation'}{'cancreate'}{'shibenv'}{$key}})) {
188: $shibenv->{$key} = $domconfig{'usercreation'}{'cancreate'}{'shibenv'}{$key};
189: }
190: }
191: }
192: } elsif (grep(/^\Q$key\E/,@possfields)) {
193: if ($domconfig{'usercreation'}{'cancreate'}{'shibenv'}{$key} ne '') {
194: $shibenv->{$key} = $domconfig{'usercreation'}{'cancreate'}{'shibenv'}{$key};
195: }
196: }
197: }
198: }
199: }
200: }
201: }
202: $msg .= &username_check($sso_username,$domain,$domdesc,$courseid,
203: $lonhost,$contact_email,$contact_name,
204: $sso_logout,$statustocreate,$shibenv);
205: } else {
206: $msg = '<h3>'.&mt('Account creation unavailable').'</h3>'.
207: '<span class="LC_warning">'.&mt("Although your username and password were authenticated by your institution's Single Sign On system, you do not currently have a LON-CAPA account at this institution, and you are not permitted to create one.").'</span><br /><br />'.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email).'<hr />'.
208: $sso_logout;
209: }
210: $r->print($msg);
211: &print_footer($r);
212: return OK;
213: }
214:
215: my ($output,$nostart,$noend,$redirect);
216: my $token = $env{'form.token'};
217: if ($token) {
218: my $usertype = &get_usertype($domain);
219: ($output,$nostart,$noend,$redirect) =
220: &process_mailtoken($r,$token,$contact_name,$contact_email,$domain,
221: $domdesc,$lonhost,$include,$start_page,$cancreate,
222: $domconfig{'usercreation'},$usertype);
223: if ($redirect) {
224: $r->internal_redirect('/adm/switchserver');
225: return OK;
226: } elsif ($nostart) {
227: if ($noend) {
228: return OK;
229: } else {
230: $r->print($output);
231: &print_footer($r);
232: return OK;
233: }
234: } else {
235: &print_header($r,$start_page,$courseid);
236: $r->print($output);
237: &print_footer($r);
238: return OK;
239: }
240: }
241:
242: if ($env{'form.phase'} eq 'username_activation') {
243: (my $result,$output,$nostart) =
244: &username_activation($r,$env{'form.uname'},$domain,$domdesc,
245: $courseid);
246: if ($result eq 'redirect') {
247: $r->internal_redirect('/adm/switchserver');
248: return OK;
249: } elsif ($result eq 'ok') {
250: if ($nostart) {
251: return OK;
252: }
253: }
254: &print_header($r,$start_page,$courseid);
255: $r->print($output);
256: &print_footer($r);
257: return OK;
258: } elsif ($env{'form.phase'} eq 'username_validation') {
259: (my $result,$output) =
260: &username_validation($r,$env{'form.uname'},$domain,$domdesc,
261: $contact_name,$contact_email,$courseid,
262: $lonhost,$statustocreate);
263: if ($result eq 'existingaccount') {
264: $r->print($output);
265: &print_footer($r);
266: return OK;
267: } else {
268: &print_header($r,$start_page,$courseid);
269: }
270: } elsif ($env{'form.create_with_email'}) {
271: &print_header($r,$start_page,$courseid);
272: my $usertype = &get_usertype($domain);
273: $output = &process_email_request($env{'form.uname'},$domain,$domdesc,
274: $contact_name,$contact_email,$cancreate,
275: $lonhost,$domconfig{'usercreation'},
276: $emailusername,$courseid,$usertype);
277: } elsif (!$token) {
278: &print_header($r,$start_page,$courseid);
279: my $now=time;
280: if ((grep(/^login$/,@{$cancreate})) && (!grep(/^email$/,@{$cancreate}))) {
281: if (open(my $jsh,"<$include/londes.js")) {
282: while(my $line = <$jsh>) {
283: $r->print($line);
284: }
285: close($jsh);
286: $r->print(&javascript_setforms($now));
287: }
288: }
289: if (grep(/^email$/,@{$cancreate})) {
290: $r->print(&javascript_validmail());
291: }
292: my $usertype = &get_usertype($domain);
293: $output = &print_username_form($r,$domain,$domdesc,$cancreate,$now,$lonhost,
294: $include,$courseid,$emailusername,$usertype);
295: }
296: $r->print($output);
297: &print_footer($r);
298: return OK;
299: }
300:
301: sub print_header {
302: my ($r,$start_page,$courseid) = @_;
303: $r->print($start_page);
304: &Apache::lonhtmlcommon::clear_breadcrumbs();
305: if ($courseid ne '') {
306: my %coursehash = &Apache::lonnet::coursedescription($courseid);
307: &selfenroll_crumbs($r,$courseid,$coursehash{'description'});
308: }
309: &Apache::lonhtmlcommon::add_breadcrumb
310: ({href=>"/adm/createuser",
311: text=>"New username"});
312: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Create account'));
313: return;
314: }
315:
316: sub print_footer {
317: my ($r) = @_;
318: if ($env{'form.courseid'} ne '') {
319: $r->print('<form name="backupcrumbs" method="post" action="">'.
320: &Apache::lonhtmlcommon::echo_form_input(['backto','logtoken',
321: 'token','serverid','uname','upass','phase','create_with_email',
322: 'code','crypt','cfirstname','clastname',
323: 'recaptcha_challenge_field','recaptcha_response_field',
324: 'cmiddlename','cgeneration','cpermanentemail','cid']).
325: '</form>');
326: }
327: $r->print(&Apache::loncommon::end_page());
328: }
329:
330: sub get_usertype {
331: my ($domain) = @_;
332: my $usertype = 'default';
333: my ($othertitle,$usertypes,$types) = &Apache::loncommon::sorted_inst_types($domain);
334: if (ref($types) eq 'ARRAY') {
335: push(@{$types},'default');
336: my $posstype = $env{'form.type'};
337: $posstype =~ s/^\s+|\s$//g;
338: if (grep(/^\Q$posstype\E$/,@{$types})) {
339: $usertype = $posstype;
340: }
341: }
342: return $usertype;
343: }
344:
345: sub selfenroll_crumbs {
346: my ($r,$courseid,$desc) = @_;
347: &Apache::lonhtmlcommon::add_breadcrumb
348: ({href=>"javascript:ToCatalog('backupcrumbs','')",
349: text=>"Course/Community Catalog"});
350: if ($env{'form.coursenum'} ne '') {
351: &Apache::lonhtmlcommon::add_breadcrumb
352: ({href=>"javascript:ToCatalog('backupcrumbs','details')",
353: text=>"Course details"});
354: }
355: my $last_crumb;
356: if ($desc ne '') {
357: $last_crumb = &mt("Self-enroll in [_1]","'$desc'");
358: } else {
359: $last_crumb = &mt('Self-enroll');
360: }
361: &Apache::lonhtmlcommon::add_breadcrumb
362: ({href=>"javascript:ToSelfenroll('backupcrumbs')",
363: text=>$last_crumb,
364: no_mt=>"1"});
365: return;
366: }
367:
368: sub javascript_setforms {
369: my ($now,$emailusername,$captcha,$usertype) = @_;
370: my ($setuserinfo,@required,$requiredchk);
371: if (ref($emailusername) eq 'HASH') {
372: if (ref($emailusername->{$usertype}) eq 'HASH') {
373: foreach my $key (sort(keys(%{$emailusername->{$usertype}}))) {
374: if ($emailusername->{$usertype}{$key} eq 'required') {
375: push(@required,$key);
376: }
377: $setuserinfo .= ' server.elements.'.$key.'.value=client.elements.'.$key.'.value;'."\n";
378: }
379: $setuserinfo .= ' server.elements.type.value=client.elements.type.value;'."\n";
380: }
381: if ($captcha eq 'original') {
382: $setuserinfo .= ' server.elements.code.value=client.elements.code.value;'."\n".
383: ' server.elements.crypt.value=client.elements.crypt.value;'."\n";
384: } elsif ($captcha eq 'recaptcha') {
385: $setuserinfo .=
386: ' server.elements.recaptcha_challenge_field.value=client.elements.recaptcha_challenge_field.value;'."\n".
387: ' server.elements.recaptcha_response_field.value=client.elements.recaptcha_response_field.value;'."\n";
388: }
389: }
390: if (@required) {
391: my $missprompt = &mt('One or more required fields are currently blank.');
392: &js_escape(\$missprompt);
393: my $reqstr = join("','",@required);
394: $requiredchk = <<"ENDCHK";
395: var requiredfields = new Array('$reqstr');
396: missing = 0;
397: for (var i=0; i<requiredfields.length; i++) {
398: try {
399: eval("client.elements."+requiredfields[i]+".value");
400: }
401: catch(err) {
402: continue;
403: }
404: if (eval("client.elements."+requiredfields[i]+".value") == '') {
405: missing ++;
406: }
407: }
408: if (missing > 0) {
409: alert("$missprompt");
410: return false;
411: }
412:
413: ENDCHK
414: }
415: my $js = <<ENDSCRIPT;
416: <script type="text/javascript">
417: // <![CDATA[
418: function send(one,two,context) {
419: var server;
420: var client;
421: if (document.forms[one]) {
422: server = document.forms[one];
423: if (document.forms[two]) {
424: client = document.forms[two];
425: $requiredchk
426: server.elements.uname.value = client.elements.uname.value;
427: server.elements.udom.value = client.elements.udom.value;
428:
429: uextkey=client.elements.uextkey.value;
430: lextkey=client.elements.lextkey.value;
431: initkeys();
432:
433: server.elements.upass.value
434: = getCrypted(client.elements.upass$now.value);
435:
436: client.elements.uname.value='';
437: client.elements.upass$now.value='';
438: if (context == 'email') {
439: $setuserinfo
440: client.elements.upasscheck$now.value='';
441: }
442: server.submit();
443: }
444: }
445: return false;
446: }
447:
448: // ]]>
449: </script>
450: ENDSCRIPT
451: return $js;
452: }
453:
454: sub javascript_checkpass {
455: my ($now,$context) = @_;
456: my $nopass = &mt('You must enter a password.');
457: my $mismatchpass = &mt('The passwords you entered did not match.')."\n".
458: &mt('Please try again.');
459: &js_escape(\$nopass);
460: &js_escape(\$mismatchpass);
461: my $js = <<"ENDSCRIPT";
462: <script type="text/javascript">
463: // <![CDATA[
464: function checkpass(one,two) {
465: var client;
466: if (document.forms[two]) {
467: client = document.forms[two];
468: var upass = client.elements.upass$now.value;
469: var upasscheck = client.elements.upasscheck$now.value;
470: if (upass == '') {
471: alert("$nopass");
472: return false;
473: }
474: if (upass == upasscheck) {
475: client.elements.upasscheck$now.value='';
476: if (validate_email(client)) {
477: send(one,two,'$context');
478: }
479: return false;
480: } else {
481: alert("$mismatchpass");
482: return false;
483: }
484: }
485: return false;
486: }
487: // ]]>
488: </script>
489: ENDSCRIPT
490: return $js;
491: }
492:
493: sub javascript_validmail {
494: my %js_lt = &Apache::lonlocal::texthash (
495: email => 'The e-mail address you entered',
496: notv => 'is not a valid e-mail address',
497: );
498: my $output = "\n".'<script type="text/javascript">'."\n".
499: '// <![CDATA['."\n".
500: &Apache::lonhtmlcommon::javascript_valid_email()."\n";
501: &js_escape(\%js_lt);
502: $output .= <<"ENDSCRIPT";
503: function validate_email(client) {
504: field = client.uname;
505: if (validmail(field) == false) {
506: alert("$js_lt{'email'}: "+field.value+" $js_lt{'notv'}.");
507: return false;
508: }
509: return true;
510: }
511: ENDSCRIPT
512: $output .= "\n".'// ]]>'."\n".'</script>'."\n";
513: return $output;
514: }
515:
516: sub print_username_form {
517: my ($r,$domain,$domdesc,$cancreate,$now,$lonhost,$include,$courseid,$emailusername,
518: $usertype) = @_;
519: my %lt = &Apache::lonlocal::texthash (
520: unam => 'username',
521: udom => 'domain',
522: uemail => 'E-mail address in LON-CAPA',
523: proc => 'Proceed',
524: crac => 'Create account with a username provided by this institution',
525: clca => 'Create LON-CAPA account',
526: type => 'Type in your log-in ID and password to find out.',
527: plse => 'Please provide a password for your new account.',
528: info => 'Please provide user information and a password for your new account.',
529: yopw => 'Your password will be encrypted when sent (and stored).',
530: );
531: my $output;
532: if (ref($cancreate) eq 'ARRAY') {
533: if (grep(/^login$/,@{$cancreate})) {
534: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
535: if ((($domdefaults{'auth_def'} =~/^krb/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth')) {
536: $output = '<div class="LC_left_float"><h3>'.$lt{'crac'}.'</h3>';
537: $output .= &mt('If you already have a log-in ID at this institution [_1]you may be able to use it for LON-CAPA.','<br />').
538: '<br /><br />'.
539: $lt{'type'}.
540: '<br /><br />';
541: $output .= &login_box($now,$lonhost,$courseid,$lt{'clca'},
542: $domain,'createaccount').'</div>';
543: }
544: }
545: if (grep(/^email$/,@{$cancreate})) {
546: $output .= '<div class="LC_left_float"><h3>'.&mt('Create account with an e-mail address as your username').'</h3>';
547: my ($captchaform,$error,$captcha) = &Apache::loncommon::captcha_display('usercreation',$lonhost);
548: if ($error) {
549: my $helpdesk = '/adm/helpdesk?origurl=%2fadm%2fcreateaccount';
550: if ($courseid ne '') {
551: $helpdesk .= '&courseid='.$courseid;
552: }
553: $output .= '<span class="LC_error">'.
554: &mt('An error occurred generating the validation code[_1] required for an e-mail address to be used as username.','<br />').
555: '</span><br /><br />'.
556: &mt('[_1]Contact the helpdesk[_2] or [_3]reload[_2] the page and try again.',
557: '<a href="'.$helpdesk.'">','</a>','<a href="javascript:window.location.reload()">');
558: } else {
559: if (grep(/^login$/,@{$cancreate})) {
560: $output .= &mt('If you do not have a log-in ID at your institution, [_1]provide your e-mail address to request a LON-CAPA account.','<br />').'<br /><br />'.
561: $lt{'plse'}.'<br />'.
562: $lt{'yopw'}.'<br />';
563: } else {
564: my $prompt = $lt{'plse'};
565: if (ref($emailusername) eq 'HASH') {
566: if (ref($emailusername->{$usertype}) eq 'HASH') {
567: if (keys(%{$emailusername->{$usertype}}) > 0) {
568: $prompt = $lt{'info'};
569: }
570: }
571: }
572: $output .= $prompt.'<br />'.
573: $lt{'yopw'}.'<br />';
574: }
575: $output .= &print_dataentry_form($r,$domain,$lonhost,$include,$now,$captchaform,
576: $courseid,$emailusername,$captcha,$usertype);
577: }
578: $output .= '</div>';
579: }
580: }
581: if ($output eq '') {
582: $output = &mt('Creation of a new LON-CAPA user account using an e-mail address or an institutional log-in ID as your username is not permitted at [_1].',$domdesc);
583: } else {
584: $output .= '<div class="LC_clear_float_footer"></div>';
585: }
586: return $output;
587: }
588:
589: sub login_box {
590: my ($now,$lonhost,$courseid,$submit_text,$domain,$context) = @_;
591: my $output;
592: my %titles = &Apache::lonlocal::texthash(
593: createaccount => 'Log-in ID',
594: selfenroll => 'Username',
595: );
596: my ($lkey,$ukey) = &Apache::loncommon::des_keys();
597: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
598: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount:createaccount',
599: $lonhost);
600: $output = &serverform($logtoken,$lonhost,undef,$courseid,$context);
601: my $unameform = '<input type="text" name="uname" size="20" value="" autocomplete="off" />';
602: my $upassform = '<input type="password" name="upass'.$now.'" size="20" autocomplete="off" />';
603: $output .= '<form name="client" method="post" action="" onsubmit="return(send('."'server','client'".'));">'."\n".
604: &Apache::lonhtmlcommon::start_pick_box()."\n".
605: &Apache::lonhtmlcommon::row_title($titles{$context},
606: 'LC_pick_box_title')."\n".
607: $unameform."\n".
608: &Apache::lonhtmlcommon::row_closure(1)."\n".
609: &Apache::lonhtmlcommon::row_title(&mt('Password'),
610: 'LC_pick_box_title')."\n".
611: $upassform;
612: if ($context eq 'selfenroll') {
613: my $udomform = '<input type="text" name="udom" size="10" value="'.
614: $domain.'" />';
615: $output .= &Apache::lonhtmlcommon::row_closure(1)."\n".
616: &Apache::lonhtmlcommon::row_title(&mt('Domain'),
617: 'LC_pick_box_title')."\n".
618: $udomform."\n";
619: } else {
620: $output .= '<input type="hidden" name="udom" value="'.$domain.'" />';
621: }
622: $output .= &Apache::lonhtmlcommon::row_closure(1).
623: &Apache::lonhtmlcommon::row_title().
624: '<br /><input type="submit" name="username_validation" value="'.
625: $submit_text.'" />'."\n";
626: if ($context eq 'selfenroll') {
627: $output .= '<br /><br /><table width="100%"><tr><td align="right">'.
628: '<span class="LC_fontsize_medium">'.
629: '<a href="/adm/resetpw">'.&mt('Forgot password?').'</a>'.
630: '</span></td></tr></table>'."\n";
631: }
632: $output .= &Apache::lonhtmlcommon::row_closure(1)."\n".
633: &Apache::lonhtmlcommon::end_pick_box().'<br />'."\n";
634: $output .= '<input type="hidden" name="lextkey" value="'.$lextkey.'" />'."\n".
635: '<input type="hidden" name="uextkey" value="'.$uextkey.'" />'."\n".
636: '</form>';
637: return $output;
638: }
639:
640: sub process_email_request {
641: my ($useremail,$domain,$domdesc,$contact_name,$contact_email,$cancreate,
642: $server,$settings,$emailusername,$courseid,$usertype) = @_;
643: my $output;
644: if (ref($cancreate) eq 'ARRAY') {
645: if (!grep(/^email$/,@{$cancreate})) {
646: $output = &invalid_state('noemails',$domdesc,
647: $contact_name,$contact_email);
648: return $output;
649: } elsif ($useremail !~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/) {
650: $output = &invalid_state('baduseremail',$domdesc,
651: $contact_name,$contact_email);
652: return $output;
653: } else {
654: $useremail =~ s/^\s+|\s+$//g;
655: my $uname=&LONCAPA::clean_username($useremail);
656: if ($useremail ne $uname) {
657: $output = &invalid_state('badusername',$domdesc,
658: $contact_name,$contact_email);
659: return $output;
660: }
661: my $uhome = &Apache::lonnet::homeserver($useremail,$domain);
662: if ($uhome ne 'no_host') {
663: $output = &invalid_state('existinguser',$domdesc,
664: $contact_name,$contact_email);
665: return $output;
666: } else {
667: my ($captcha_chk,$captcha_error) = &Apache::loncommon::captcha_response('usercreation',$server);
668: if ($captcha_chk != 1) {
669: $output = &invalid_state('captcha',$domdesc,$contact_name,
670: $contact_email,$captcha_error);
671: return $output;
672: }
673: my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts);
674: &call_rulecheck($useremail,$domain,\%alerts,\%rulematch,
675: \%inst_results,\%curr_rules,\%got_rules,'username');
676: if (ref($alerts{'username'}) eq 'HASH') {
677: if (ref($alerts{'username'}{$domain}) eq 'HASH') {
678: if ($alerts{'username'}{$domain}{$useremail}) {
679: $output = &invalid_state('userrules',$domdesc,
680: $contact_name,$contact_email);
681: return $output;
682: }
683: }
684: }
685: my $format_msg =
686: &guest_format_check($useremail,$domain,$cancreate,
687: $settings);
688: if ($format_msg) {
689: $output = &invalid_state('userformat',$domdesc,$contact_name,
690: $contact_email,$format_msg);
691: return $output;
692: }
693: }
694: }
695: $output = &send_token($domain,$useremail,$server,$domdesc,$contact_name,
696: $contact_email,$courseid,$emailusername,$usertype);
697: }
698: return $output;
699: }
700:
701: sub call_rulecheck {
702: my ($uname,$udom,$alerts,$rulematch,$inst_results,$curr_rules,
703: $got_rules,$tocheck) = @_;
704: my ($checkhash,$checks);
705: $checkhash->{$uname.':'.$udom} = { 'newuser' => 1, };
706: if ($tocheck eq 'username') {
707: $checks = { 'username' => 1 };
708: }
709: &Apache::loncommon::user_rule_check($checkhash,$checks,
710: $alerts,$rulematch,$inst_results,$curr_rules,
711: $got_rules);
712: return;
713: }
714:
715: sub send_token {
716: my ($domain,$email,$server,$domdesc,$contact_name,$contact_email,$courseid,$emailusername,
717: $usertype) = @_;
718: my $msg = '<h3>'.&mt('Account creation status').'</h3>'.
719: &mt('Thank you for your request to create a new LON-CAPA account.').
720: '<br /><br />';
721: my $now = time;
722: $env{'form.logtoken'} =~ s/(`)//g;
723: if ($env{'form.logtoken'}) {
724: my $logtoken = $env{'form.logtoken'};
725: my $tmpinfo=Apache::lonnet::reply('tmpget:'.$logtoken,$server);
726: if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
727: $msg = &mt('Information needed to process your request is missing, inaccessible or expired.')
728: .'<br />'.&mt('Return to the previous page to try again.');
729: } else {
730: my $reply = &Apache::lonnet::reply('tmpdel:'.$logtoken,$server);
731: unless ($reply eq 'ok') {
732: $msg .= &mt('Request could not be processed.');
733: }
734: }
735: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
736: 'time' => $now,
737: 'domain' => $domain,
738: 'username' => $email,
739: 'courseid' => $courseid,
740: 'upass' => $env{'form.upass'},
741: 'serverid' => $env{'form.serverid'},
742: 'tmpinfo' => $tmpinfo);
743:
744: if (ref($emailusername) eq 'HASH') {
745: if (ref($emailusername->{$usertype}) eq 'HASH') {
746: foreach my $item (keys(%{$emailusername->{$usertype}})) {
747: $info{$item} = $env{'form.'.$item};
748: $info{$item} =~ s/(`)//g;
749: }
750: unless ($usertype eq 'default') {
751: $info{'inststatus'} = $usertype;
752: }
753: }
754: }
755: my $token = &Apache::lonnet::tmpput(\%info,$server,'createaccount');
756: if ($token !~ /^error/ && $token ne 'no_such_host') {
757: my $esc_token = &escape($token);
758: my $showtime = localtime(time);
759: my $mailmsg = &mt('A request was submitted on [_1] for creation of a LON-CAPA account at the following institution: [_2].',$showtime,$domdesc).' '.
760: &mt('To complete this process please open a web browser and enter the following URL in the address/location box: [_1]',
761: &Apache::lonnet::absolute_url().'/adm/createaccount?token='.$esc_token);
762: my $result = &Apache::resetpw::send_mail($domdesc,$email,$mailmsg,$contact_name,
763: $contact_email);
764: if ($result eq 'ok') {
765: $msg .= &mt('A message has been sent to the e-mail address you provided.').'<br />'.
766: &mt('The message includes the web address for the link you will use to complete the account creation process.').'<br />'.
767: &mt("The link included in the message will be valid for the next [_1]two[_2] hours.",'<b>','</b>');
768: } else {
769: $msg .= '<span class="LC_error">'.
770: &mt('An error occurred when sending a message to the e-mail address you provided.').'</span><br />'.
771: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
772: }
773: } else {
774: $msg .= '<span class="LC_error">'.
775: &mt('An error occurred creating a token required for the account creation process.').'</span><br />'.
776: ' '.&mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
777: }
778: } else {
779: $msg .= $msg = &mt('Information needed to process your request is missing, inaccessible or expired.')
780: .'<br />'.&mt('Return to the previous page to try again.');
781:
782: }
783: return $msg;
784: }
785:
786: sub process_mailtoken {
787: my ($r,$token,$contact_name,$contact_email,$domain,$domdesc,$lonhost,
788: $include,$start_page,$cancreate,$settings,$usertype) = @_;
789: my ($msg,$nostart,$noend,$redirect);
790: my %data = &Apache::lonnet::tmpget($token);
791: my $now = time;
792: if (keys(%data) == 0) {
793: $msg = &mt('Sorry, the URL you provided to complete creation of a new LON-CAPA account was invalid.')
794: .' '.&mt('Either the token included in the URL has been deleted or the URL you provided was invalid.')
795: .' '.&mt('Please submit a [_1]new request[_2] for account creation and follow the new link page included in the e-mail that will be sent to you.',
796: '<a href="/adm/createaccount">','</a>');
797: return $msg;
798: }
799: if (($data{'time'} =~ /^\d+$/) &&
800: ($data{'domain'} ne '') &&
801: ($data{'username'} =~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/)) {
802: if ($now - $data{'time'} < 7200) {
803: # Check if request should be queued.
804: if (ref($cancreate) eq 'ARRAY') {
805: my $disposition;
806: if (grep(/^email$/,@{$cancreate})) {
807: if (ref($settings) eq 'HASH') {
808: if (ref($settings->{'cancreate'}) eq 'HASH') {
809: if (ref($settings->{'cancreate'}{'selfcreateprocessing'}) eq 'HASH') {
810: $disposition = $settings->{'cancreate'}{'selfcreateprocessing'}{$usertype};
811: }
812: }
813: }
814: if ($disposition eq 'approval') {
815: $msg = &store_request($domain,$data{'username'},'approval',\%data,$settings);
816: my $delete = &Apache::lonnet::tmpdel($token);
817: } else {
818: my ($result,$output,$uhome) =
819: &create_account($r,$domain,$domdesc,\%data);
820: if ($result eq 'ok') {
821: $msg = $output;
822: my $shownow = &Apache::lonlocal::locallocaltime($now);
823: my $mailmsg = &mt('A LON-CAPA account for the institution: [_1] has been created [_2] from IP address: [_3]. If you did not perform this action or authorize it, please contact the [_4] ([_5]).',$domdesc,$shownow,$ENV{'REMOTE_ADDR'},$contact_name,$contact_email)."\n";
824: my $mailresult = &Apache::resetpw::send_mail($domdesc,$data{'email'},
825: $mailmsg,$contact_name,
826: $contact_email);
827: if ($mailresult eq 'ok') {
828: $msg .= &mt('An e-mail confirming creation of your new LON-CAPA account has been sent to [_1].',$data{'username'});
829: } else {
830: $msg .= &mt('An error occurred when sending e-mail to [_1] confirming creation of your LON-CAPA account.',$data{'username'});
831: }
832: $redirect = &start_session($r,$data{'username'},$domain,$uhome,
833: $data{'courseid'},$token);
834: $nostart = 1;
835: $noend = 1;
836: } else {
837: $msg .= &mt('A problem occurred when attempting to create your new LON-CAPA account.')
838: .'<br />'.$output;
839: if (($contact_name ne '') && ($contact_email ne '')) {
840: $msg .= &mt('Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
841: }
842: }
843: my $delete = &Apache::lonnet::tmpdel($token);
844: }
845: } else {
846: $msg = &invalid_state('noemails',$domdesc,$contact_name,$contact_email);
847: }
848: } else {
849: $msg = &invalid_state('noemails',$domdesc,$contact_name,$contact_email);
850: }
851: } else {
852: $msg = &mt('Sorry, the token generated when you requested creation of an account has expired.')
853: .' '.&mt('Please submit a [_1]new request[_2] for account creation and follow the new link included in the e-mail that will be sent to you.','<a href="/adm/createaccount">','</a>');
854: }
855: } else {
856: $msg .= &mt('Sorry, the URL generated when you requested creation of an account contained incomplete information.')
857: .' '.&mt('Please submit a [_1]new request[_2] for account creation and follow the new link included in the e-mail that will be sent to you.','<a href="/adm/createaccount">','</a>');
858: }
859: return ($msg,$nostart,$noend,$redirect);
860: }
861:
862: sub start_session {
863: my ($r,$username,$domain,$uhome,$courseid,$token) = @_;
864: my ($is_balancer) = &Apache::lonnet::check_loadbalancing($username,$domain);
865: if ($is_balancer) {
866: Apache::lonauth::success($r, $username, $domain, $uhome,
867: 'noredirect', undef, {});
868:
869: Apache::lonnet::tmpdel($token) if $token;
870:
871: return 'redirect';
872: } else {
873: $courseid = Apache::lonnet::is_course($courseid);
874:
875: Apache::lonauth::success($r, $username, $domain, $uhome,
876: ($courseid ? "/adm/selfenroll?courseid=$courseid" : '/adm/roles'),
877: undef, {});
878: }
879: return;
880: }
881:
882: #
883: # The screen that the user gets to create his or her account
884: # Desired username, desired password, etc
885: # Stores token to store DES-key and stage during creation session
886: #
887: sub print_dataentry_form {
888: my ($r,$domain,$lonhost,$include,$now,$captchaform,$courseid,$emailusername,$captcha,
889: $usertype) = @_;
890: my ($error,$output);
891: if (open(my $jsh,"<$include/londes.js")) {
892: while(my $line = <$jsh>) {
893: $r->print($line);
894: }
895: close($jsh);
896: $output = &javascript_setforms($now,$emailusername,$captcha,$usertype)."\n".
897: &javascript_checkpass($now,'email');
898: my ($lkey,$ukey) = &Apache::loncommon::des_keys();
899: my ($lextkey,$uextkey) = &getkeys($lkey,$ukey);
900: my $logtoken=Apache::lonnet::reply('tmpput:'.$ukey.$lkey.'&createaccount:createaccount',
901: $lonhost);
902: $output .=
903: '<form name="createaccount" method="post" target="_top" action="/adm/createaccount">';
904: if ($courseid ne '') {
905: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'"/>'."\n";
906: }
907: if (ref($emailusername) eq 'HASH') {
908: if (ref($emailusername->{$usertype}) eq 'HASH') {
909: foreach my $field (sort(keys(%{$emailusername->{$usertype}}))) {
910: $output .= '<input type="hidden" name="'.$field.'" value="" />'."\n";
911: }
912: $output .= '<input type="hidden" name="type" value="" />'."\n";
913: }
914: }
915: if ($captcha eq 'original') {
916: $output .= '
917: <input type="hidden" name="crypt" value="" />
918: <input type="hidden" name="code" value="" />
919: ';
920: } elsif ($captcha eq 'recaptcha') {
921: $output .= '
922: <input type="hidden" name="recaptcha_challenge_field" value="" />
923: <input type="hidden" name="recaptcha_response_field" value="" />
924: ';
925: }
926: $output .= <<"ENDSERVERFORM";
927: <input type="hidden" name="logtoken" value="$logtoken" />
928: <input type="hidden" name="serverid" value="$lonhost" />
929: <input type="hidden" name="uname" value="" />
930: <input type="hidden" name="upass" value="" />
931: <input type="hidden" name="udom" value="" />
932: <input type="hidden" name="phase" value="createaccount" />
933: <input type="hidden" name="create_with_email" value="1" />
934: </form>
935: ENDSERVERFORM
936: my $beginclientform = '<form name="newemail" method="post" action="" '.
937: 'onsubmit="return checkpass('."'createaccount','newemail'".');">'."\n";
938: my $endclientform = '<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
939: '<input type="hidden" name="lextkey" value="'.$lextkey.'" />'."\n".
940: '<input type="hidden" name="uextkey" value="'.$uextkey.'" />'."\n".
941: '</form>'."\n".
942: '<p class="LC_info">'.&mt('Fields marked [_1]*[_2] are required.','<b>','</b>').'</p>';
943: my ($datatable,$rowcount) =
944: &Apache::loncreateuser::personal_data_display('',$domain,'email','selfcreate',
945: '','',$now,$captchaform,
946: $emailusername,$usertype);
947: if ($rowcount) {
948: $output .= '<div class="LC_left_float">'.$beginclientform.$datatable.$endclientform;
949: } else {
950: $output .= $beginclientform.$endclientform;
951: }
952: if ($rowcount) {
953: $output .= '</div>'."\n".
954: '<div class="LC_clear_float_footer"></div>'."\n";
955: }
956: } else {
957: $output = &mt('Could not load javascript file [_1]','<tt>londes.js</tt>');
958: }
959: return $output;
960: }
961:
962: #
963: # Retrieve rules for generating accounts from domain configuration
964: # Can the user make a new account or just self-enroll?
965:
966: sub get_creation_controls {
967: my ($domain,$usercreation) = @_;
968: my (@cancreate,@statustocreate,$emailusername);
969: if (ref($usercreation) eq 'HASH') {
970: if (ref($usercreation->{'cancreate'}) eq 'HASH') {
971: if (ref($usercreation->{'cancreate'}{'statustocreate'}) eq 'ARRAY') {
972: @statustocreate = @{$usercreation->{'cancreate'}{'statustocreate'}};
973: if (@statustocreate == 0) {
974: my ($othertitle,$usertypes,$types) =
975: &Apache::loncommon::sorted_inst_types($domain);
976: if (ref($types) eq 'ARRAY') {
977: if (@{$types} == 0) {
978: @statustocreate = ('default');
979: }
980: } else {
981: @statustocreate = ('default');
982: }
983: }
984: } else {
985: @statustocreate = ('default');
986: my ($othertitle,$usertypes,$types) =
987: &Apache::loncommon::sorted_inst_types($domain);
988: if (ref($types) eq 'ARRAY') {
989: push(@statustocreate,@{$types});
990: }
991: }
992: if (ref($usercreation->{'cancreate'}{'selfcreate'}) eq 'ARRAY') {
993: @cancreate = @{$usercreation->{'cancreate'}{'selfcreate'}};
994: } elsif (($usercreation->{'cancreate'}{'selfcreate'} ne 'none') &&
995: ($usercreation->{'cancreate'}{'selfcreate'} ne '')) {
996: @cancreate = ($usercreation->{'cancreate'}{'selfcreate'});
997: }
998: if (ref($usercreation->{'cancreate'}{'emailusername'}) eq 'HASH') {
999: $emailusername = $usercreation->{'cancreate'}{'emailusername'};
1000: } else {
1001: $emailusername = {
1002: default => {
1003: 'lastname' => '1',
1004: 'firstname' => 1,
1005: },
1006: };
1007: }
1008: }
1009: }
1010: return (\@cancreate,\@statustocreate,$emailusername);
1011: }
1012:
1013: sub create_account {
1014: my ($r,$domain,$domdesc,$dataref) = @_;
1015: my $error = '<span class="LC_error">'.&mt('Error:').' ';
1016: my $end = '</span><br /><br />';
1017: my $rtnlink = '<a href="javascript:history.back();">'.
1018: &mt('Return to previous page').'</a>'.
1019: &Apache::loncommon::end_page();
1020: my $output;
1021: if (ref($dataref) eq 'HASH') {
1022: my ($username,$encpass,$serverid,$courseid,$id,$firstname,$middlename,$lastname,
1023: $generation,$inststatus);
1024: $username = $dataref->{'username'};
1025: $encpass = $dataref->{'upass'};
1026: $serverid = $dataref->{'serverid'};
1027: $courseid = $dataref->{'courseid'};
1028: $id = $dataref->{'id'};
1029: $firstname = $dataref->{'firstname'};
1030: $middlename = $dataref->{'middlename'};
1031: $lastname = $dataref->{'lastname'};
1032: $generation = $dataref->{'generation'};
1033: $inststatus = $dataref->{'inststatus'};
1034:
1035: my $currhome = &Apache::lonnet::homeserver($username,$domain);
1036: unless ($currhome eq 'no_host') {
1037: $output = &mt('User account requested for username: [_1] in domain: [_2] already exists.',$username,$domain);
1038: return ('fail',$error.$output.$end.$rtnlink);
1039: }
1040:
1041: # Split the logtoken to retrieve the DES key and decrypt the encypted password
1042:
1043: my ($key,$caller)=split(/&/,$dataref->{'tmpinfo'});
1044: if ($caller eq 'createaccount') {
1045: my $upass = &Apache::loncommon::des_decrypt($key,$encpass);
1046:
1047: # See if we are allowed to use the proposed student/employee ID,
1048: # as per domain rules; if not, student/employee will be left blank.
1049:
1050: if ($id ne '') {
1051: my ($result,$userchkmsg) = &check_id($username,$domain,$id,$domdesc,'email');
1052: if ($result eq 'fail') {
1053: $output = $error.&mt('Invalid ID format').$end.
1054: $userchkmsg;
1055: undef($id);
1056: }
1057: }
1058:
1059: # Create an internally authenticated account with password $upass
1060: # if the user account does not already exist.
1061: # Assign student/employee id, first name, last name, etc.
1062:
1063: my $result =
1064: &Apache::lonnet::modifyuser($domain,$username,$id,
1065: 'internal',$upass,$firstname,$middlename,
1066: $lastname,$generation,undef,undef,$username);
1067: $output = &mt('Generating user: [_1]',$result);
1068:
1069: # Now that the user account exists, retrieve the homeserver, and include it in the output.
1070:
1071: my $uhome = &Apache::lonnet::homeserver($username,$domain);
1072: unless (($inststatus eq 'default') || ($inststatus eq '')) {
1073: &Apache::lonnet::put('environment',{inststatus => $inststatus},$domain,$username);
1074: }
1075: $output .= '<br />'.&mt('Home server: [_1]',$uhome).' '.
1076: &Apache::lonnet::hostname($uhome).'<br /><br />';
1077: return ('ok',$output,$uhome);
1078: } else {
1079: $output = &mt('Unable to retrieve your account creation information - unexpected context');
1080: undef($encpass);
1081: return ('fail',$error.$output.$end.$rtnlink);
1082: }
1083: } else {
1084: $output = &mt('Unable to retrieve information for your account request.');
1085: return ('fail',$error.$output.$end.$rtnlink);
1086: }
1087: }
1088:
1089: sub username_validation {
1090: my ($r,$username,$domain,$domdesc,$contact_name,$contact_email,$courseid,
1091: $lonhost,$statustocreate) = @_;
1092: # $r: request object
1093: # $username,$domain: for the user who needs to be validated
1094: # $domdesc: full name of the domain (for error messages)
1095: # $contact_name, $contact_email: name and email for user assistance (for error messages in &username_check)
1096: # $courseid: ID of the course if user came to username_validation via self-enroll link,
1097: # passed to start_session()
1098: # $lonhost: LON-CAPA lonHostID
1099: # $statustocreate: -> inststatus in username_check ('faculty', 'staff', 'student', ...)
1100:
1101: #
1102: # Sanitize incoming username and domain
1103: #
1104: $username= &LONCAPA::clean_username($username);
1105: $domain = &LONCAPA::clean_domain($domain);
1106:
1107: #
1108: # Check if LON-CAPA account already exists for $username:$domain
1109: #
1110: my $uhome = &Apache::lonnet::homeserver($username,$domain);
1111:
1112: my $output;
1113:
1114: # Retrieve DES key from server using logtoken
1115:
1116: my $tmpinfo=Apache::lonnet::reply('tmpget:'.$env{'form.logtoken'},$env{'form.serverid'});
1117: if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
1118: $output = &mt('Information needed to verify your login information is missing, inaccessible or expired.')
1119: .'<br />'.&mt('You may need to reload the previous page to obtain a new token.');
1120: return ('fail',$output);
1121: } else {
1122: my $reply = &Apache::lonnet::reply('tmpdel:'.$env{'form.logtoken'},$env{'form.serverid'});
1123: unless ($reply eq 'ok') {
1124: $output = &mt('Session could not be opened.');
1125: return ('fail',$output);
1126: }
1127: }
1128:
1129: # Split the logtoken to retrieve the DES key and decrypt the encypted password
1130:
1131: my ($key,$caller)=split(/&/,$tmpinfo);
1132: my $upass;
1133: if ($caller eq 'createaccount') {
1134: $upass = &Apache::loncommon::des_decrypt($key,$env{'form.upass'});
1135: } else {
1136: $output = &mt('Unable to retrieve your log-in information - unexpected context');
1137: return ('fail',$output);
1138: }
1139: if ($uhome ne 'no_host') {
1140: my $result = &Apache::lonnet::authenticate($username,$upass,$domain);
1141: if ($result ne 'no_host') {
1142: my $redirect = &start_session($r,$username,$domain,$uhome,$courseid);
1143: if ($redirect) {
1144: return ($redirect);
1145: }
1146: $output = '<br /><br />'.
1147: &mt('A LON-CAPA account already exists for username [_1] at this institution ([_2]).',
1148: '<tt>'.$username.'</tt>',$domdesc).'<br />'.
1149: &mt('The password entered was also correct so you have been logged in.');
1150: return ('existingaccount',$output);
1151: } else {
1152: $output = &login_failure_msg($courseid);
1153: }
1154: } else {
1155: my $primlibserv = &Apache::lonnet::domain($domain,'primary');
1156: my $authok;
1157: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
1158: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) && ($domdefaults{'auth_arg_def'} ne '')) ||
1159: ($domdefaults{'auth_def'} eq 'localauth')) {
1160: my $checkdefauth = 1;
1161: $authok =
1162: &Apache::lonnet::reply("encrypt:auth:$domain:$username:$upass:$checkdefauth",$primlibserv);
1163: } else {
1164: $authok = 'non_authorized';
1165: }
1166: if ($authok eq 'authorized') {
1167: $output = &username_check($username,$domain,$domdesc,$courseid,$lonhost,
1168: $contact_email,$contact_name,undef,
1169: $statustocreate);
1170: } else {
1171: $output = &login_failure_msg($courseid);
1172: }
1173: }
1174: return ('ok',$output);
1175: }
1176:
1177: sub login_failure_msg {
1178: my ($courseid) = @_;
1179: my $url;
1180: if ($courseid ne '') {
1181: $url = "/adm/selfenroll?courseid=".$courseid;
1182: } else {
1183: $url = "/adm/createaccount";
1184: }
1185: my $output = '<h4>'.&mt('Authentication failed').'</h4><div class="LC_warning">'.
1186: &mt('Username and/or password could not be authenticated.').
1187: '</div>'.
1188: &mt('Please check the username and password.').'<br /><br />';
1189: '<a href="'.$url.'">'.&mt('Try again').'</a>';
1190: return $output;
1191: }
1192:
1193: sub username_check {
1194: my ($username,$domain,$domdesc,$courseid,$lonhost,$contact_email,
1195: $contact_name,$sso_logout,$statustocreate,$shibenv) = @_;
1196: my (%rulematch,%inst_results,$checkfail,$rowcount,$editable,$output,$msg,
1197: %alerts,%curr_rules,%got_rules);
1198: &call_rulecheck($username,$domain,\%alerts,\%rulematch,
1199: \%inst_results,\%curr_rules,\%got_rules,'username');
1200: if (ref($alerts{'username'}) eq 'HASH') {
1201: if (ref($alerts{'username'}{$domain}) eq 'HASH') {
1202: if ($alerts{'username'}{$domain}{$username}) {
1203: if (ref($curr_rules{$domain}) eq 'HASH') {
1204: $output =
1205: &Apache::loncommon::instrule_disallow_msg('username',$domdesc,1,
1206: 'selfcreate').
1207: &Apache::loncommon::user_rule_formats($domain,$domdesc,
1208: $curr_rules{$domain}{'username'},'username');
1209: }
1210: $checkfail = 'username';
1211: }
1212: }
1213: }
1214: if (!$checkfail) {
1215: if (ref($statustocreate) eq 'ARRAY') {
1216: $checkfail = 'inststatus';
1217: if (ref($inst_results{$username.':'.$domain}{inststatus}) eq 'ARRAY') {
1218: foreach my $inststatus (@{$inst_results{$username.':'.$domain}{inststatus}}) {
1219: if (grep(/^\Q$inststatus\E$/,@{$statustocreate})) {
1220: undef($checkfail);
1221: last;
1222: }
1223: }
1224: } elsif (grep(/^default$/,@{$statustocreate})) {
1225: undef($checkfail);
1226: }
1227: }
1228: }
1229: if (!$checkfail) {
1230: $output = '<form method="post" action="/adm/createaccount">';
1231: if (ref($shibenv) eq 'HASH') {
1232: foreach my $key (keys(%{$shibenv})) {
1233: if ($ENV{$shibenv->{$key}} ne '') {
1234: $inst_results{$username.':'.$domain}{$key} = $ENV{$shibenv->{$key}};
1235: }
1236: }
1237: }
1238: (my $datatable,$rowcount,$editable) =
1239: &Apache::loncreateuser::personal_data_display($username,$domain,1,'selfcreate',
1240: $inst_results{$username.':'.$domain});
1241: if ($rowcount > 0) {
1242: $output .= $datatable;
1243: }
1244: $output .= '<br /><br /><input type="hidden" name="uname" value="'.$username.'" />'."\n".
1245: '<input type="hidden" name="udom" value="'.$domain.'" />'."\n".
1246: '<input type="hidden" name="phase" value="username_activation" />';
1247: my $now = time;
1248: my %info = ('ip' => $ENV{'REMOTE_ADDR'},
1249: 'time' => $now,
1250: 'domain' => $domain,
1251: 'username' => $username);
1252: my $authtoken = &Apache::lonnet::tmpput(\%info,$lonhost,'createaccount');
1253: if ($authtoken !~ /^error/ && $authtoken ne 'no_such_host') {
1254: $output .= '<input type="hidden" name="authtoken" value="'.&HTML::Entities::encode($authtoken,'&<>"').'" />';
1255: } else {
1256: $output = &mt('An error occurred when storing a token').'<br />'.
1257: &mt('You will not be able to proceed to the next stage of account creation').
1258: &linkto_email_help($contact_email,$domdesc);
1259: $checkfail = 'authtoken';
1260: }
1261: }
1262: if ($checkfail) {
1263: $msg = '<br /><h4>'.&mt('Account creation unavailable').'</h4>';
1264: if ($checkfail eq 'username') {
1265: $msg .= '<span class="LC_warning">'.
1266: &mt('A LON-CAPA account may not be created with the username you use.').
1267: '</span><br /><br />'.$output;
1268: } elsif ($checkfail eq 'authtoken') {
1269: $msg .= '<span class="LC_error">'.&mt('Error creating token.').'</span>'.
1270: '<br />'.$output;
1271: } elsif ($checkfail eq 'inststatus') {
1272: $msg .= '<span class="LC_warning">'.
1273: &mt('You are not permitted to create a LON-CAPA account.').
1274: '</span><br /><br />'.$output;
1275: }
1276: $msg .= &mt('Please contact the [_1] ([_2]) for assistance.',
1277: $contact_name,$contact_email).'<br /><hr />'.
1278: $sso_logout;
1279: &Apache::lonnet::logthis("ERROR: failure type of '$checkfail' when performing username check to create account for authenticated user: $username, in domain $domain");
1280: } else {
1281: if ($courseid ne '') {
1282: $output .= '<input type="hidden" name="courseid" value="'.$courseid.'" />';
1283: }
1284: $output .= '<input type="submit" name="newaccount" value="'.
1285: &mt('Create LON-CAPA account').'" /></form>';
1286: if ($rowcount) {
1287: if ($editable) {
1288: if ($courseid ne '') {
1289: $msg = '<br /><h4>'.&mt('User information').'</h4>';
1290: }
1291: $msg .= &mt('To create one, use the table below to provide information about yourself, then click the [_1]Create LON-CAPA account[_2] button.','<span class="LC_cusr_emph">','</span>').'<br />';
1292: } else {
1293: if ($courseid ne '') {
1294: $msg = '<h4>'.&mt('Review user information').'</h4>';
1295: }
1296: $msg .= &mt('A user account will be created with information displayed in the table below, when you click the [_1]Create LON-CAPA account[_2] button.','<span class="LC_cusr_emph">','</span>').'<br />';
1297: }
1298: } else {
1299: if ($courseid ne '') {
1300: $msg = '<h4>'.&mt('Confirmation').'</h4>';
1301: }
1302: $msg .= &mt('Confirm that you wish to create an account.');
1303: }
1304: $msg .= $output;
1305: }
1306: return $msg;
1307: }
1308:
1309: sub username_activation {
1310: my ($r,$username,$domain,$domdesc,$courseid) = @_;
1311: my $output;
1312: my $error = '<span class="LC_error">'.&mt('Error:').' ';
1313: my $end = '</span><br /><br />';
1314: my $rtnlink = '<a href="javascript:history.back();">'.
1315: &mt('Return to previous page').'</a>'.
1316: &Apache::loncommon::end_page();
1317: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
1318: my %data = &Apache::lonnet::tmpget($env{'form.authtoken'});
1319: my $now = time;
1320: my $earlyout;
1321: my $timeout = 300;
1322: if (keys(%data) == 0) {
1323: $output = &mt('Sorry, your authentication has expired.');
1324: $earlyout = 'fail';
1325: }
1326: if (($data{'time'} !~ /^\d+$/) ||
1327: ($data{'domain'} ne $domain) ||
1328: ($data{'username'} ne $username)) {
1329: $earlyout = 'fail';
1330: $output = &mt('The credentials you provided could not be verified.');
1331: } elsif ($now - $data{'time'} > $timeout) {
1332: $earlyout = 'fail';
1333: $output = &mt('Sorry, your authentication has expired.');
1334: }
1335: if ($earlyout ne '') {
1336: my $link = '/adm/createaccount';
1337: if (&Apache::lonnet::domain($domain) ne '') {
1338: $link .= "?domain=$domain";
1339: }
1340: $output .= '<br />'.&mt('Please [_1]start again[_2].',
1341: '<a href="'.$link.'">','</a>');
1342: return($earlyout,$output);
1343: }
1344: if ((($domdefaults{'auth_def'} =~/^krb(4|5)$/) &&
1345: ($domdefaults{'auth_arg_def'} ne '')) ||
1346: ($domdefaults{'auth_def'} eq 'localauth')) {
1347: if ($env{'form.courseid'} ne '') {
1348: my $id = $env{'form.cid'};
1349: my ($result,$userchkmsg) = &check_id($username,$domain,$id,$domdesc,'institutional');
1350: if ($result eq 'fail') {
1351: $output = $error.&mt('Invalid ID format').$end.
1352: $userchkmsg.$rtnlink;
1353: return ('fail',$output);
1354: }
1355: }
1356: # Call modifyuser
1357: my (%rulematch,%inst_results,%curr_rules,%got_rules,%alerts,%info);
1358: &call_rulecheck($username,$domain,\%alerts,\%rulematch,
1359: \%inst_results,\%curr_rules,\%got_rules);
1360: my @userinfo = ('firstname','middlename','lastname','generation',
1361: 'permanentemail','id');
1362: my %canmodify =
1363: &Apache::loncreateuser::selfcreate_canmodify('selfcreate',$domain,
1364: \@userinfo,\%inst_results);
1365: foreach my $item (@userinfo) {
1366: if ($canmodify{$item}) {
1367: $info{$item} = $env{'form.c'.$item};
1368: } else {
1369: $info{$item} = $inst_results{$username.':'.$domain}{$item};
1370: }
1371: }
1372: if (ref($inst_results{$username.':'.$domain}{'inststatus'}) eq 'ARRAY') {
1373: my @inststatuses = @{$inst_results{$username.':'.$domain}{'inststatus'}};
1374: $info{'inststatus'} = join(':',map { &escape($_); } @inststatuses);
1375: }
1376: my $result =
1377: &Apache::lonnet::modifyuser($domain,$username,$env{'form.cid'},
1378: $domdefaults{'auth_def'},
1379: $domdefaults{'auth_arg_def'},$info{'firstname'},
1380: $info{'middlename'},$info{'lastname'},
1381: $info{'generation'},undef,undef,
1382: $info{'permanentemail'},$info{'inststatus'});
1383: if ($result eq 'ok') {
1384: my $delete = &Apache::lonnet::tmpdel($env{'form.authtoken'});
1385: $output = &mt('A LON-CAPA account has been created for username: [_1] in domain: [_2].',$username,$domain);
1386: my $uhome=&Apache::lonnet::homeserver($username,$domain,'true');
1387: my $nostart = 1;
1388: my $response = 'ok';
1389: my $redirect = &start_session($r,$username,$domain,$uhome,$courseid);
1390: if ($redirect) {
1391: $response = $redirect;
1392: }
1393: return ($response,$output,$nostart);
1394: } else {
1395: $output = &mt('Account creation failed for username: [_1] in domain: [_2].',$username,$domain).'<br /><span class="LC_error">'.&mt('Error: [_1]',$result).'</span>';
1396: return ('fail',$output);
1397: }
1398: } else {
1399: $output = &mt('User account creation is not available for the current default authentication type.')."\n";
1400: return('fail',$output);
1401: }
1402: }
1403:
1404: sub check_id {
1405: my ($username,$domain,$id,$domdesc,$usernametype) = @_;
1406: # Check student/employee ID format
1407: # Is proposed student/employee ID acceptable according to domain's rules.
1408: # $domdesc is just used for user error messages
1409: my (%alerts,%rulematch,%inst_results,%curr_rules,%checkhash);
1410: my %checks = ('id' => 1);
1411: %{$checkhash{$username.':'.$domain}} = (
1412: 'newuser' => 1,
1413: 'id' => $id,
1414: );
1415: &Apache::loncommon::user_rule_check(\%checkhash,\%checks,\%alerts,
1416: \%rulematch,\%inst_results,\%curr_rules);
1417: if (ref($alerts{'id'}) eq 'HASH') {
1418: if (ref($alerts{'id'}{$domain}) eq 'HASH') {
1419: if ($alerts{'id'}{$domain}{$env{'form.cid'}}) {
1420: my $userchkmsg;
1421: if (ref($curr_rules{$domain}) eq 'HASH') {
1422: if ($usernametype eq 'email') {
1423: $userchkmsg = &mt('A student/employee ID has not been set because the value suggested matched the format used for institutional users in the domain, and you are using an e-mail address as username, not an institutional username.');
1424: } else {
1425: $userchkmsg =
1426: &Apache::loncommon::instrule_disallow_msg('id',
1427: $domdesc,1).
1428: &Apache::loncommon::user_rule_formats($domain,
1429: $domdesc,$curr_rules{$domain}{'id'},'id');
1430: }
1431: }
1432: return ('fail',$userchkmsg);
1433: }
1434: }
1435: }
1436: return;
1437: }
1438:
1439: sub invalid_state {
1440: my ($error,$domdesc,$contact_name,$contact_email,$msgtext) = @_;
1441: my $msg = '<h3>'.&mt('Account creation unavailable').'</h3><span class="LC_error">';
1442: if ($error eq 'baduseremail') {
1443: $msg .= &mt('The e-mail address you provided does not appear to be a valid address.');
1444: } elsif ($error eq 'badusername') {
1445: $msg .= &mt('The e-mail address you provided contains characters which prevent its use as a username in LON-CAPA.');
1446: } elsif ($error eq 'existinguser') {
1447: $msg .= &mt('The e-mail address you provided is already in use as a username in LON-CAPA at this institution.');
1448: } elsif ($error eq 'userrules') {
1449: $msg .= &mt('Username rules at this institution do not allow the e-mail address you provided to be used as a username.');
1450: } elsif ($error eq 'userformat') {
1451: $msg .= &mt('The e-mail address you provided may not be used as a username at this LON-CAPA institution.');
1452: } elsif ($error eq 'captcha') {
1453: $msg .= &mt('Validation of the code you entered failed.');
1454: } elsif ($error eq 'noemails') {
1455: $msg .= &mt('Creation of a new user account using an e-mail address as username is not permitted at this LON-CAPA institution.');
1456: }
1457: $msg .= '</span>';
1458: if ($msgtext) {
1459: $msg .= '<br />'.$msgtext;
1460: }
1461: $msg .= &linkto_email_help($contact_email,$domdesc,$error);
1462: return $msg;
1463: }
1464:
1465: sub linkto_email_help {
1466: my ($contact_email,$domdesc,$error) = @_;
1467: my $msg;
1468: my $href = '/adm/helpdesk';
1469: if ($contact_email ne '') {
1470: my $escuri = &HTML::Entities::encode('/adm/createaccount','&<>"');
1471: $href .= '?origurl='.$escuri;
1472: if ($error eq 'existinguser') {
1473: my $escemail = &HTML::Entities::encode($env{'form.useremail'});
1474: $href .= '&useremail='.$escemail.'&useraccount='.$escemail;
1475: }
1476: $msg .= '<br />'.&mt('You may wish to contact the [_1]LON-CAPA helpdesk[_2] for [_3].','<a href="'.$href.'">','</a>',$domdesc).'<br />';
1477: } else {
1478: $msg .= '<br />'.&mt('You may wish to send an e-mail to the server administrator: [_1] for [_2].',$Apache::lonnet::perlvar{'AdmEMail'},$domdesc).'<br />';
1479: }
1480: return $msg;
1481: }
1482:
1483: sub getkeys {
1484: my ($lkey,$ukey) = @_;
1485: my $lextkey=hex($lkey);
1486: if ($lextkey>2147483647) { $lextkey-=4294967296; }
1487:
1488: my $uextkey=hex($ukey);
1489: if ($uextkey>2147483647) { $uextkey-=4294967296; }
1490: return ($lextkey,$uextkey);
1491: }
1492:
1493: sub serverform {
1494: my ($logtoken,$lonhost,$mailtoken,$courseid,$context) = @_;
1495: my $phase = 'username_validation';
1496: my $catalog_elements;
1497: if ($context eq 'selfenroll') {
1498: $phase = 'selfenroll_login';
1499: }
1500: if ($courseid ne '') {
1501: $catalog_elements = &Apache::lonhtmlcommon::echo_form_input(['courseid','phase']);
1502: }
1503: my $output = <<ENDSERVERFORM;
1504: <form name="server" method="post" action="/adm/createaccount">
1505: <input type="hidden" name="logtoken" value="$logtoken" />
1506: <input type="hidden" name="token" value="$mailtoken" />
1507: <input type="hidden" name="serverid" value="$lonhost" />
1508: <input type="hidden" name="uname" value="" />
1509: <input type="hidden" name="upass" value="" />
1510: <input type="hidden" name="udom" value="" />
1511: <input type="hidden" name="phase" value="$phase" />
1512: <input type="hidden" name="courseid" value="$courseid" />
1513: $catalog_elements
1514: </form>
1515: ENDSERVERFORM
1516: return $output;
1517: }
1518:
1519: sub store_request {
1520: my ($dom,$username,$val,$dataref,$settings) = @_;
1521: my $output;
1522: my $domconfiguser = &Apache::lonnet::get_domainconfiguser($dom);
1523: my $key = &escape($username);
1524: my $now = time();
1525: if (&Apache::lonnet::put('usernamequeue', { $key.'_'.$val => $now },
1526: $dom,$domconfiguser) eq 'ok') {
1527: if (ref($dataref) eq 'HASH') {
1528: my $logtoken = $dataref->{'tmpinfo'};
1529: my $serverid = $dataref->{'serverid'};
1530: if ($logtoken && $serverid) {
1531: my $tmpinfo=Apache::lonnet::reply('tmpget:'.$logtoken,$serverid);
1532: unless (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
1533: my $reply = &Apache::lonnet::reply('tmpdel:'.$logtoken,$serverid);
1534: if ($reply eq 'ok') {
1535: my ($key,$caller)=split(/&/,$tmpinfo);
1536: $dataref->{'key'} = $key;
1537: undef($dataref->{'tmpinfo'});
1538: undef($dataref->{'serverid'});
1539: }
1540: }
1541: }
1542: }
1543: my %userrequest = ( $username => $dataref );
1544: $userrequest{$username}{timestamp} = $now;
1545: $userrequest{$username}{status} = $val;
1546: my $notifylist;
1547: if (ref($settings) eq 'HASH') {
1548: if (ref($settings->{'cancreate'}) eq 'HASH') {
1549: if (ref($settings->{'cancreate'}{'notify'}) eq 'HASH') {
1550: my $notifylist = $settings->{'cancreate'}{'notify'}{'approval'};
1551: if ($notifylist) {
1552: my $sender = $domconfiguser.':'.$dom;
1553: my $domdesc = &Apache::lonnet::domain($dom,'description');
1554: my $fullname;
1555: if (ref($dataref) eq 'HASH') {
1556: if ($dataref->{'firstname'}) {
1557: $fullname = $dataref->{'firstname'};
1558: }
1559: if ($dataref->{'lastname'}) {
1560: $fullname .= ' '.$dataref->{'lastname'};
1561: }
1562: $fullname =~ s/^\s+|\s+$//g;
1563: }
1564: &Apache::loncoursequeueadmin::send_selfserve_notification($notifylist,
1565: "$fullname ($username)",
1566: undef,$domdesc,$now,'usernamereq',$sender);
1567: }
1568: }
1569: }
1570: }
1571: my $userresult =
1572: &Apache::lonnet::put('nohist_requestedusernames',\%userrequest,$dom,$domconfiguser);
1573: $output = '<p class="LC_info">'.
1574: &mt('Your request for a LON-CAPA account has been submitted for approval.').
1575: '</p>'.
1576: '<p class="LC_info">'.
1577: &mt('An e-mail will be sent to [_1] when your request has been reviewed by an administrator and action has been taken.',$username).
1578: '</p>';
1579: } else {
1580: $output = '<span class="LC_error">'.
1581: &mt('An error occurred when attempting to save your request for a LON-CAPA account.');
1582: '</span>';
1583: }
1584: return $output;
1585: }
1586:
1587: sub guest_format_check {
1588: my ($useremail,$domain,$cancreate,$settings) = @_;
1589: my ($login,$format_match,$format_msg,@user_rules);
1590: if (ref($settings) eq 'HASH') {
1591: if (ref($settings->{'email_rule'}) eq 'ARRAY') {
1592: push(@user_rules,@{$settings->{'email_rule'}});
1593: }
1594: }
1595: if (@user_rules > 0) {
1596: my %rule_check =
1597: &Apache::lonnet::inst_rulecheck($domain,$useremail,undef,
1598: 'selfcreate',\@user_rules);
1599: if (keys(%rule_check) > 0) {
1600: foreach my $item (keys(%rule_check)) {
1601: if ($rule_check{$item}) {
1602: $format_match = 1;
1603: last;
1604: }
1605: }
1606: }
1607: }
1608: if ($format_match) {
1609: ($login) = ($useremail =~ /^([^\@]+)\@/);
1610: $format_msg = '<br />'.
1611: &mt("Your e-mail address uses the same internet domain as your institution's LON-CAPA service.").'<br />'.
1612: &mt('Creation of a LON-CAPA account with this type of e-mail address as username is not permitted.').'<br />';
1613: if (ref($cancreate) eq 'ARRAY') {
1614: if (grep(/^login$/,@{$cancreate})) {
1615: $format_msg .= &mt('You should request creation of a LON-CAPA account for a log-in ID of "[_1]" at your institution instead.',$login).'<br />';
1616: }
1617: }
1618: }
1619: return $format_msg;
1620: }
1621:
1622: sub sso_logout_frag {
1623: my ($r,$domain) = @_;
1624: my $endsessionmsg;
1625: if (defined($r->dir_config('lonSSOUserLogoutMessageFile_'.$domain))) {
1626: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile_'.$domain);
1627: if (-e $msgfile) {
1628: open(my $fh,"<$msgfile");
1629: $endsessionmsg = join('',<$fh>);
1630: close($fh);
1631: }
1632: } elsif (defined($r->dir_config('lonSSOUserLogoutMessageFile'))) {
1633: my $msgfile = $r->dir_config('lonSSOUserLogoutMessageFile');
1634: if (-e $msgfile) {
1635: open(my $fh,"<$msgfile");
1636: $endsessionmsg = join('',<$fh>);
1637: close($fh);
1638: }
1639: }
1640: return $endsessionmsg;
1641: }
1642:
1643: sub catreturn_js {
1644: return <<"ENDSCRIPT";
1645: <script type="text/javascript">
1646: // <![CDATA[
1647: function ToSelfenroll(formname) {
1648: var formidx = getFormByName(formname);
1649: if (formidx > -1) {
1650: document.forms[formidx].action = '/adm/selfenroll';
1651: numidx = getIndexByName(formidx,'phase');
1652: if (numidx > -1) {
1653: document.forms[formidx].elements[numidx].value = '';
1654: }
1655: numidx = getIndexByName(formidx,'context');
1656: if (numidx > -1) {
1657: document.forms[formidx].elements[numidx].value = '';
1658: }
1659: }
1660: document.forms[formidx].submit();
1661: }
1662:
1663: function ToCatalog(formname,caller) {
1664: var formidx = getFormByName(formname);
1665: if (formidx > -1) {
1666: document.forms[formidx].action = '/adm/coursecatalog';
1667: numidx = getIndexByName(formidx,'coursenum');
1668: if (numidx > -1) {
1669: if (caller != 'details') {
1670: document.forms[formidx].elements[numidx].value = '';
1671: }
1672: }
1673: }
1674: document.forms[formidx].submit();
1675: }
1676:
1677: function getIndexByName(formidx,item) {
1678: for (var i=0;i<document.forms[formidx].elements.length;i++) {
1679: if (document.forms[formidx].elements[i].name == item) {
1680: return i;
1681: }
1682: }
1683: return -1;
1684: }
1685:
1686: function getFormByName(item) {
1687: for (var i=0; i<document.forms.length; i++) {
1688: if (document.forms[i].name == item) {
1689: return i;
1690: }
1691: }
1692: return -1;
1693: }
1694: // ]]>
1695: </script>
1696: ENDSCRIPT
1697:
1698: }
1699:
1700: 1;
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